Singapore legislation
Regulation 75
of Air Navigation (135 — Commercial Air Transport by Helicopters and Small Aeroplanes) Regulations 2018
Regulation 75
Runway surface conditions
For every flight of a small aeroplane, the AOC holder must ensure that —
(a)
all performance calculations take into account runway surface conditions; and
(b)
before a runway is used for take-off, the surface conditions of the runway would allow the aeroplane to take off safely.